Extern.h File Reference

Convenience macros that lift functions that take C types into functions that take and return exprs, and call the original function at runtime under the hood. More...

#include "Debug.h"

Go to the source code of this file.

Macros
#define	_halide_check_arg_type(t, name, e, n)
#define	HalideExtern_1(rt, name, t1)
#define	HalideExtern_2(rt, name, t1, t2)
#define	HalideExtern_3(rt, name, t1, t2, t3)
#define	HalideExtern_4(rt, name, t1, t2, t3, t4)
#define	HalideExtern_5(rt, name, t1, t2, t3, t4, t5)
#define	HalidePureExtern_1(rt, name, t1)
#define	HalidePureExtern_2(rt, name, t1, t2)
#define	HalidePureExtern_3(rt, name, t1, t2, t3)
#define	HalidePureExtern_4(rt, name, t1, t2, t3, t4)
#define	HalidePureExtern_5(rt, name, t1, t2, t3, t4, t5)

Detailed Description

Convenience macros that lift functions that take C types into functions that take and return exprs, and call the original function at runtime under the hood.

See test/c_function.cpp for example usage.

Definition in file Extern.h.

Macro Definition Documentation

_halide_check_arg_type

#define _halide_check_arg_type	(		t,
			name,
			e,
			n )

Value:

    _halide_user_assert(e.type() == t) << "Type mismatch for argument " << n << " to extern function " << #name << ". Type expected is " << t << " but the argument " << e << " has type " << e.type() << ".\n";

Definition at line 14 of file Extern.h.

HalideExtern_1

#define HalideExtern_1	(		rt,
			name,
			t1 )

Value:

    Halide::Expr name(const Halide::Expr &a1) {                                                                  \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                              \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1}, Halide::Internal::Call::Extern); \
    }

Definition at line 17 of file Extern.h.

HalideExtern_2

#define HalideExtern_2	(		rt,
			name,
			t1,
			t2 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2) {                                              \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                  \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                  \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2}, Halide::Internal::Call::Extern); \
    }

Definition at line 23 of file Extern.h.

HalideExtern_3

#define HalideExtern_3	(		rt,
			name,
			t1,
			t2,
			t3 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3) {                          \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                      \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                      \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                      \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3}, Halide::Internal::Call::Extern); \
    }

Definition at line 30 of file Extern.h.

HalideExtern_4

#define HalideExtern_4	(		rt,
			name,
			t1,
			t2,
			t3,
			t4 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3, const Halide::Expr &a4) {      \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                          \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                          \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                          \
        _halide_check_arg_type(Halide::type_of<t4>(), name, a4, 4);                                                          \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3, a4}, Halide::Internal::Call::Extern); \
    }

Definition at line 38 of file Extern.h.

HalideExtern_5

#define HalideExtern_5	(		rt,
			name,
			t1,
			t2,
			t3,
			t4,
			t5 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3, const Halide::Expr &a4, const Halide::Expr &a5) { \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                                             \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                                             \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                                             \
        _halide_check_arg_type(Halide::type_of<t4>(), name, a4, 4);                                                                             \
        _halide_check_arg_type(Halide::type_of<t5>(), name, a5, 5);                                                                             \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3, a4, a5}, Halide::Internal::Call::Extern);                \
    }

Definition at line 47 of file Extern.h.

HalidePureExtern_1

#define HalidePureExtern_1	(		rt,
			name,
			t1 )

Value:

    Halide::Expr name(const Halide::Expr &a1) {                                                                      \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                  \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1}, Halide::Internal::Call::PureExtern); \
    }

Definition at line 57 of file Extern.h.

HalidePureExtern_2

#define HalidePureExtern_2	(		rt,
			name,
			t1,
			t2 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2) {                                                  \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                      \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                      \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2}, Halide::Internal::Call::PureExtern); \
    }

Definition at line 63 of file Extern.h.

HalidePureExtern_3

#define HalidePureExtern_3	(		rt,
			name,
			t1,
			t2,
			t3 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3) {                              \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                          \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                          \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                          \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3}, Halide::Internal::Call::PureExtern); \
    }

Definition at line 70 of file Extern.h.

HalidePureExtern_4

#define HalidePureExtern_4	(		rt,
			name,
			t1,
			t2,
			t3,
			t4 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3, const Halide::Expr &a4) {          \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                              \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                              \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                              \
        _halide_check_arg_type(Halide::type_of<t4>(), name, a4, 4);                                                              \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3, a4}, Halide::Internal::Call::PureExtern); \
    }

Definition at line 78 of file Extern.h.

HalidePureExtern_5

#define HalidePureExtern_5	(		rt,
			name,
			t1,
			t2,
			t3,
			t4,
			t5 )

Value:

    Halide::Expr name(const Halide::Expr &a1, const Halide::Expr &a2, const Halide::Expr &a3, const Halide::Expr &a4, const Halide::Expr &a5) { \
        _halide_check_arg_type(Halide::type_of<t1>(), name, a1, 1);                                                                             \
        _halide_check_arg_type(Halide::type_of<t2>(), name, a2, 2);                                                                             \
        _halide_check_arg_type(Halide::type_of<t3>(), name, a3, 3);                                                                             \
        _halide_check_arg_type(Halide::type_of<t4>(), name, a4, 4);                                                                             \
        _halide_check_arg_type(Halide::type_of<t5>(), name, a5, 5);                                                                             \
        return Halide::Internal::Call::make(Halide::type_of<rt>(), #name, {a1, a2, a3, a4, a5}, Halide::Internal::Call::PureExtern);            \
    }

Definition at line 87 of file Extern.h.